<template>
	<div class="outer">
		<!-- 三级分类导航 -->
		<TypeNav />
		<div class="main">
			<div class="py-container">
				<!--面包屑导航-->
				<div class="bread">
					<ul class="fl sui-breadcrumb">
						<li>
							<span href="#">全部结果</span>
						</li>
					</ul>
					<ul class="fl sui-tag">
						<!-- 分类名-面包屑 -->
						<li class="with-x" v-show="searchParams.categoryName">
							{{searchParams.categoryName}}
							<i @click="removeCategoryName">×</i>
						</li>
						<!-- 关键词-面包屑 -->
						<li class="with-x" v-show="searchParams.keyword">
							{{searchParams.keyword}}
							<i @click="removeKeyword">×</i>
						</li>
						<!-- 品牌-面包屑 -->
						<li class="with-x" v-show="searchParams.trademark">
							{{trademarkName}}
							<i @click="removeTrademark">×</i>
						</li>
						<!-- 商品属性-面包屑 -->
						<li class="with-x" v-for="(prop,index) in searchParams.props">
							<!-- 此处使用了一个过滤器，去处理格式 -->
							{{prop | fmtPropName}}
							<i @click="removeAttr(index)">×</i>
						</li>
					</ul>
				</div>

				<!-- 搜索器 -->
				<SearchSelector @get-trademark="saveTrademark" @get-attr="saveAttr"/>

				<!--商品展示区-->
				<div class="details clearfix">
					<!-- 列表操作区 -->
					<div class="sui-navbar">
						<div class="navbar-inner filter">
							<ul class="sui-nav">
								<li :class="{active:!isPrice}" @click="changeOrder('1')">
									<a>
										综合 
										<span 
											v-show="!isPrice" 
											class="iconfont" 
											:class="{'icon-up':isUp,'icon-down':!isUp}"
										/>
									</a>
								</li>
								<li :class="{active:isPrice}" @click="changeOrder('2')">
									<a>
										价格 
										<span 
											v-show="isPrice" 
											class="iconfont" 
											:class="{'icon-up':isUp,'icon-down':!isUp}"
										/>
									</a>
								</li>
							</ul>
						</div>
					</div>
					<!-- 商品列表 -->
					<div class="goods-list">
						<ul class="yui3-g">
							<li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
								<div class="list-wrap">
									<div class="p-img">
										<router-link :to="'/detail/'+good.id">
											<img v-lazy="good.defaultImg" />
										</router-link>
									</div>
									<div class="price">
										<strong>
											<em>¥</em>
											<i>{{good.price}}</i>
										</strong>
									</div>
									<div class="attr">
										<router-link :to="'/detail/'+good.id" :title="good.title" v-html="good.title"></router-link>
									</div>
									<div class="commit">
										<i class="command">已有<span>2000</span>人评价</i>
									</div>
									<div class="operate">
										<a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
										<a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
									</div>
								</div>
							</li>
						</ul>
					</div>
					<!-- 分页器 -->
					<Pagination 
						:total="total" 
						:pageSize="searchParams.pageSize" 
						:pageNo="searchParams.pageNo" 
						:continues="5"
						:changePageNo="changePageNo"
					/>
				</div>
			</div>
		</div>
	</div>
</template>

<script>
	import {mapGetters} from 'vuex'
	import SearchSelector from './SearchSelector'

	export default {
		name: 'Search',
		components: {SearchSelector},
		data() {
			return {
				searchParams:{
					category1Id:'', //一级分类id
					category2Id:'', //二级分类id
					category3Id:'', //三级分类id
					categoryName:'', //分类名
					keyword:'', //关键词
					props:[], //商品属性
					trademark:'', //品牌（单选）
					order:'1:desc',//排序方式
					pageNo:1,//页码
					pageSize:5,//页大小
				}
			}
		},
		methods: {
			//搜索
			search(flag){
				if(!flag) {
					this.searchParams.pageNo = 1 //如果需要重置，页码直接变为1
				}
				//搜索
				this.$store.dispatch('search/getGoodsInfo',this.searchParams)
			},
			//移除分类名的回调
			removeCategoryName(){
				//获取之前的关键词
				const {keyword} = this.searchParams
				this.searchParams.pageNo
				//重新跳转路由
				this.$router.push({
					name:'search',
					query:{keyword:keyword}
				})
			},
			//移除关键词
			removeKeyword(){
				//获取之前的关键词
				const {query} = this.$route
				//重新跳转路由
				this.$router.push({
					name:'search',
					query:{
						...query,
						keyword:undefined
					}
				})
				//通知Header组件移除搜索关键词
				this.$bus.$emit('remove-keyword')
			},
			//保存SearchSelector传递过来的trademark
			saveTrademark(trademark){
				//将trademark维护到searchParams中
				this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`
				//发请求
				this.search()
			},
			//移除品牌
			removeTrademark(){
				//移除品牌名
				this.searchParams.trademark = undefined
				//发请求
				this.search()
			},
			//保存商品售卖属性
			saveAttr(name,parent){
				//根据传入的name和parent拼接出来一个合法的prop
				const prop = `${parent.attrId}:${name}:${parent.attrName}`
				//如果searchParams.props中不包含该prop，再正常走逻辑
				if(!this.searchParams.props.some(item => prop === item)){
					//推入prop到searchParams.props中
					this.searchParams.props.push(prop)
					//发起搜索请求
					this.search()
				}
			},
			//移除商品属性
			removeAttr(index){
				//删除index对应的商品属性
				this.searchParams.props.splice(index,1)
				//重新搜索
				this.search()
			},
			//改变页码的回调
			changePageNo(pageNo){
				//将收到的页码存入searchParams
				this.searchParams.pageNo = pageNo
				this.search(1)//1代表不需要重置页码
			},
			//点击排序按钮的回调
			changeOrder(newType){
				//获取原来的排序type（1或2）
				const [oldType,oldFlag] = this.searchParams.order.split(':')
				let order
				//若点击的排序类型，和原来的一致
				if(newType === oldType){
					order = `${oldType}:${oldFlag === 'asc' ? 'desc' : 'asc'}`
				}else{
					order = `${newType}:desc`
				}
				this.searchParams.order = order
				this.search()
			}
		},
		filters:{
			//格式化商品属性
			fmtPropName(rawPropName){
				const nameArr = rawPropName.split(':')
				return nameArr[2] + ':' + nameArr[1]
			}
		},
		computed:{
			...mapGetters('search',['goodsList','total']),
			//计算面包屑中的品牌名
			trademarkName(){
				const {trademark} = this.searchParams
				return trademark ? trademark.split(':')[1] : ''
			},
			//当前的sortType是否为价格
			isPrice(){
				return this.searchParams.order.split(':')[0] === '2'
			},
			isUp(){
				return this.searchParams.order.split(':')[1] === 'asc'
			}
		},
		watch:{
			$route:{
				immediate:true,
				handler(){
					//重置路由传递多来的搜索参数
					Object.assign(this.searchParams,{
						category1Id:undefined,
						category2Id:undefined,
						category3Id:undefined,
						categoryName:undefined,
						keyword:undefined
					})
					//把路由传递过来的query参数整合到searchParams中，供以后发请求用
					Object.assign(this.searchParams,this.$route.query)
					//发请求
					this.search()
				}
			}
		},
	}
</script>

<style lang="less" scoped>
	.main {
		margin: 10px 0;

		.py-container {
			width: 1200px;
			margin: 0 auto;

			.bread {
				margin-bottom: 5px;
				overflow: hidden;

				.sui-breadcrumb {
					padding: 3px 15px;
					margin: 0;
					font-weight: 400;
					border-radius: 3px;
					float: left;

					li {
						display: inline-block;
						line-height: 18px;

						a {
							color: #666;
							text-decoration: none;

							&:hover {
								color: #4cb9fc;
							}
						}
					}
				}

				.sui-tag {
					margin-top: -5px;
					list-style: none;
					font-size: 0;
					line-height: 0;
					padding: 5px 0 0;
					margin-bottom: 18px;
					float: left;

					.with-x {
						font-size: 12px;
						margin: 0 5px 5px 0;
						display: inline-block;
						overflow: hidden;
						color: #000;
						background: #f7f7f7;
						padding: 0 7px;
						height: 20px;
						line-height: 20px;
						border: 1px solid #dedede;
						white-space: nowrap;
						transition: color 400ms;
						cursor: pointer;

						i {
							margin-left: 10px;
							cursor: pointer;
							font: 400 14px tahoma;
							display: inline-block;
							height: 100%;
							vertical-align: middle;
						}

						&:hover {
							color: #28a3ef;
						}
					}
				}
			}

			.details {
				margin-bottom: 5px;

				.sui-navbar {
					overflow: visible;
					margin-bottom: 0;

					.filter {
						min-height: 40px;
						padding-right: 20px;
						background: #fbfbfb;
						border: 1px solid #e2e2e2;
						padding-left: 0;
						border-radius: 0;
						box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

						.sui-nav {
							position: relative;
							left: 0;
							display: block;
							float: left;
							margin: 0 10px 0 0;

							li {
								float: left;
								line-height: 18px;

								a {
									display: block;
									cursor: pointer;
									padding: 11px 15px;
									color: #777;
									text-decoration: none;
								}

								&.active {
									a {
										background: #e1251b;
										color: #fff;
									}
								}
							}
						}
					}
				}

				.goods-list {
					margin: 20px 0;

					ul {
						display: flex;
						flex-wrap: wrap;

						li {
							height: 100%;
							width: 20%;
							margin-top: 10px;
							line-height: 28px;

							.list-wrap {
								.p-img {
									padding-left: 15px;
									width: 215px;
									height: 255px;

									a {
										color: #666;

										img {
											max-width: 100%;
											height: auto;
											vertical-align: middle;
										}
									}
								}

								.price {
									padding-left: 15px;
									font-size: 18px;
									color: #c81623;

									strong {
										font-weight: 700;

									}
								}

								.attr {
									padding-left: 15px;
									width: 85%;
									overflow: hidden;
									margin-bottom: 8px;
									min-height: 38px;
									cursor: pointer;
									line-height: 1.8;
									display: -webkit-box;
									-webkit-box-orient: vertical;
									-webkit-line-clamp: 2;

									a {
										color: #333;
										text-decoration: none;
									}
								}

								.commit {
									padding-left: 15px;
									height: 22px;
									font-size: 13px;
									color: #a7a7a7;

									span {
										font-weight: 700;
										color: #646fb0;
									}
								}

								.operate {
									padding: 12px 15px;

									.sui-btn {
										display: inline-block;
										padding: 2px 14px;
										box-sizing: border-box;
										margin-bottom: 0;
										font-size: 12px;
										line-height: 18px;
										text-align: center;
										vertical-align: middle;
										cursor: pointer;
										border-radius: 0;
										background-color: transparent;
										margin-right: 15px;
									}

									.btn-bordered {
										min-width: 85px;
										background-color: transparent;
										border: 1px solid #8c8c8c;
										color: #8c8c8c;

										&:hover {
											border: 1px solid #666;
											color: #fff !important;
											background-color: #666;
											text-decoration: none;
										}
									}

									.btn-danger {
										border: 1px solid #e1251b;
										color: #e1251b;

										&:hover {
											border: 1px solid #e1251b;
											background-color: #e1251b;
											color: white !important;
											text-decoration: none;
										}
									}
								}
							}
						}
					}
				}

				.page {
					width: 733px;
					height: 66px;
					overflow: hidden;
					float: right;

					.sui-pagination {
						margin: 18px 0;

						ul {
							margin-left: 0;
							margin-bottom: 0;
							vertical-align: middle;
							width: 490px;
							float: left;

							li {
								line-height: 18px;
								display: inline-block;

								a {
									position: relative;
									float: left;
									line-height: 18px;
									text-decoration: none;
									background-color: #fff;
									border: 1px solid #e0e9ee;
									margin-left: -1px;
									font-size: 14px;
									padding: 9px 18px;
									color: #333;
								}

								&.active {
									a {
										background-color: #fff;
										color: #e1251b;
										border-color: #fff;
										cursor: default;
									}
								}

								&.prev {
									a {
										background-color: #fafafa;
									}
								}

								&.disabled {
									a {
										color: #999;
										cursor: default;
									}
								}

								&.dotted {
									span {
										margin-left: -1px;
										position: relative;
										float: left;
										line-height: 18px;
										text-decoration: none;
										background-color: #fff;
										font-size: 14px;
										border: 0;
										padding: 9px 18px;
										color: #333;
									}
								}

								&.next {
									a {
										background-color: #fafafa;
									}
								}
							}
						}

						div {
							color: #333;
							font-size: 14px;
							float: right;
							width: 241px;
						}
					}
				}
			}
		}
	}
</style>